The Level property describes how "deep" into the hierarchy an UltraNavigationBarLocation instance is as relative to the RootLocation. The Level property for the root location always returns zero.
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2